Subject: Re: linux-next: build failure after merge of the irqchip tree

From: Marc Zyngier <[email-masked]>
Date: Mon, 11 Jul 2022 09:15:19 +0100

On Mon, 11 Jul 2022 06:42:52 +0100,
Stephen Rothwell <[email-masked]> wrote:
> 
> Hi all,
> 
> After merging the irqchip tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
> 
> In file included from drivers/gpio/gpio-thunderx.c:18:
> include/asm-generic/msi.h:32:3: error: conflicting types for 'msi_alloc_info_t'; have 'struct msi_alloc_info'
>    32 | } msi_alloc_info_t;
>       |   ^~~~~~~~~~~~~~~~
> In file included from include/linux/gpio/driver.h:15,
>                  from drivers/gpio/gpio-thunderx.c:10:
> arch/x86/include/asm/msi.h:7:31: note: previous declaration of 'msi_alloc_info_t' with type 'msi_alloc_info_t' {aka 'struct irq_alloc_info'}
>     7 | typedef struct irq_alloc_info msi_alloc_info_t;
>       |                               ^~~~~~~~~~~~~~~~
> drivers/gpio/gpio-thunderx.c: In function 'thunderx_gpio_populate_parent_alloc_info':
> drivers/gpio/gpio-thunderx.c:416:34: error: initialization of 'msi_alloc_info_t *' {aka 'struct msi_alloc_info *'} from incompatible pointer type 'msi_alloc_info_t *' {aka 'struct irq_alloc_info *'} [-Werror=incompatible-pointer-types]
>   416 |         msi_alloc_info_t *info = &gfwspec->msiinfo;
>       |                                  ^
> cc1: all warnings being treated as errors
> 
> Caused by commit
> 
>   91a29af413de ("gpio: Remove dynamic allocation from populate_parent_alloc_arg()")
> 
> I have used the irqchip tree from next-20220707 again for today.

Huh. Twice sorry about that one. Patch sent to fix the breakage, and
will push this into irqchip-next shortly.

Thanks,

	M.

-- 
Without deviation from the norm, progress is not possible.